{"id":3156704,"url":"https://alion.io/job/general-dynamics-information-technology-senior-network-engineer-6","title":"Senior Network Engineer","company":{"id":4418,"name":"General Dynamics Information Technology","domain":"gdit.com","url":"https://alion.io/company/gdit","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":95,"open_postings":39,"ghost_share":0,"stale_share":0.41,"repost_share":0,"time_to_fill_p50_days":10,"computed_at":"2026-10-27T05:46:45Z"}},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Livermore, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":153000,"max":207000,"currency":"USD","period":"year","gross":null,"usd_annual":207000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"BGP","optional":false},{"name":"Linux","optional":false},{"name":"OSPF","optional":false},{"name":"Python","optional":false},{"name":"Red Hat","optional":false},{"name":"Splunk","optional":false},{"name":"VLAN","optional":false},{"name":"VPN","optional":false}],"status":"live","first_seen_at":"2026-10-23T14:44:43Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-10-27T10:21:54Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Type of Requisition:\nRegularClearance Level Must Currently Possess:\nTop Secret SCI + PolygraphClearance Level Must Be Able to Obtain:\nTop Secret SCI + PolygraphPublic Trust/Other Required:\nNoneJob Family:\nIT Infrastructure and OperationsJob Qualifications:\nSkills:\nCisco IOS, Internet Protocol Security (IPsec), Linux, Network Monitoring Tools, Routing and SwitchingCertifications:\nNoneExperience:\n8 + years of related experienceUS Citizenship Required:\nYesJob Description:\nOwn your opportunity to work with the largest government agency in the nation. Make an impact by advancing the mission to keep our country safe and secure.\nKey Skills for Success:\nExperience with Cisco IOS, Cisco Routers and Switches, Internet Protocol Security (IPsec), Switching Protocols, Virtual Private Networks (VPNs)\nPrincipal Duties / Responsibilities:\nDisplays a comprehensive understanding of routing and switching protocols to include but not limited to OSPF, BGP and EIGRP, VLAN's, Spanning Tree, Multicast, etc\nHas an in-depth understanding of Cisco IOS platforms and practical knowledge of networking topologies (LAN, WAN) and hands on experience with IPSec VPNs\nExperience with network diagnostic, monitoring and analysis tools (e.g., SolarWinds, Splunk, Ansible, Python or other network monitoring tools) \nDesign, implement, and maintain complex LAN/WAN infrastructures, including routing, switching, and secure VPN connectivity\nEnsure network integrity, compliance with security policies (STIGS/NIST), and proper backup and recovery processes\nResponsible for installation, configuration, management, and troubleshooting of F5 BIG-IP systems to ensure applications are fast, available, and secure.\nProven ability to analyze, diagnose, and resolve complex performance and connectivity issues\nProven experience with Cisco Secure Firewalls (FTD/FMC), ISE, and 802.1x authentication, including device access troubleshooting on network switches\nEvaluate and integrate new communications technologies to enhance network performance, security, and scalability\nResponsible for creating network diagrams using Microsoft Visio\nResponsible for documenting network design and creating Standard Operating Procedures for installation and configuration of network devices\nMaintain current knowledge of evolving network and automation technologies\nCollaborate effectively with cross-functional teams and provide mentorship when needed \nLinux system administration (RedHat Enterprise) preferred\nConfigure and administer Cisco routers, switches, secure firewalls, and ISE for identity-based access control and 802.1x authentication\nExcellent communications skills and ability to interact with both clients and teammates\nRequired Qualifications:\nMust possess and maintain a TS/SCI clearance with CI polygraph. \nEducation: BA/BS degree or equivalent work experience\nExperience: 8-10+ years of related experience\nCertifications: DoD 8570.01, Cisco CCNP (active) required\nCertifications: Cisco CCNA, CCNP Enterprise, CCNP Security, F5 certification\nDesiree Qualification.\nKnowledge of Cisco Catalyst and Cisco Nexus series switches\nKnowledge of F5 BIG-IP\nKnowledge of Cisco ISR Gen2 (1900, 2900, 3900 series) and ISR Gen3 (4000 series) routers\nKnowledge of Cisco Firepower 2100 series firewalls.\nKnowledge (to include instillation) of KG-175, KG-250 and other NSA Cryptographic devices.\nKnowledge of configuration of Cisco IOS-XE 17.x and NX-OS 10.x\nLocation:\nOn Customer Site\nCitizenship:\nUS Citizenship Required\nGDIT IS YOUR PLACE\nAt GDIT, the mission is our purpose, and our people are at the center of everything we do.\nGrowth: AI-powered career tool that identifies career steps and learning opportunities\nSupport: An internal mobility team focused on helping you achieve your career goals\nRewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off\nFlexibility: Full-flex work week to own your priorities at work and at home ***remove if ineligible***\nCommunity: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.\nThe likely salary range for this position is $153,000 - $207,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:\n40Travel Required:\nLess than 10%Telecommuting Options:\nOnsiteWork Location:\nUSA CA LivermoreAdditional Work Locations:\nTotal Rewards at GDIT:\nOur benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.Our Identity Verification Process:\nAs part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.About Our Work:\nWe are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.\nEqual Opportunity Employer / Individuals with Disabilities / Protected Veterans","description_format":"text","description_chars":6831,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":["401k plan"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","Digital Government","IT Consulting & Digital Transformation","Systems Integrators"],"lifecycle":[{"event":"open","at":"2026-10-23T14:44:43Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 21 · green card filings: 4","filings_12m":21,"filings_prev_12m":30,"green_card_filings_12m":4,"median_offered_wage_usd":154900,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":72,"band":"hot","label":"Hiring now","p_open":0.9,"p_active":0.884,"p_room":0.9,"age_days":3,"expected_fill_days":10,"reasons":["conf:69","velocity","win:mid","comp:brand"],"computed_at":"2026-10-27T05:46:45Z"},"pay":{"stated_usd_annual":207000,"is_top_pay":true},"html_url":"https://alion.io/job/general-dynamics-information-technology-senior-network-engineer-6","json_url":"https://alion.io/job/general-dynamics-information-technology-senior-network-engineer-6.json","meta":{"generated_at":"2026-10-27T10:33:38Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":12166,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4418},"rest":"https://alion.io/mcp/rest/get_company?id=4418"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fgeneral-dynamics-information-technology-senior-network-engineer-6"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fgeneral-dynamics-information-technology-senior-network-engineer-6"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fgeneral-dynamics-information-technology-senior-network-engineer-6"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/general-dynamics-information-technology-senior-network-engineer-6\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fgeneral-dynamics-information-technology-senior-network-engineer-6"}]}